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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 2000-04-01 2024-11-24
n/a Peak Measurements 2001-06-23 2021-10-29
n/a Site Visits 2000-05-03 2024-07-08
n/a USGS Annual Water Data Reports Site 2006-01-01 2022-01-01
Water Data for the Nation inventory

Monitoring location 01581810 is associated with a Stream in Baltimore County, Maryland. Current conditions of Discharge and Gage height are available. Water data back to 2000 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01581810 n/a
Site name
GUNPOWDER FALLS AT HOFFMANVILLE, MD n/a
Site type
Stream
ST
DMS latitude 394123.3 n/a
DMS longitude 0764653.3 n/a
Decimal latitude 39.68980556 n/a
Decimal longitude -76.7814722 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
Baltimore County 005
Country US n/a
Land net location description n/a
Name of location map LINESBORO, MD-PA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 543.60 feet n/a
Method altitude determined Differentially corrected Global Positioning System. D
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Gunpowder-Patapsco 02060003
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNYNNYNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
2000 n/a
Date site established or inventoried n/a
Drainage area
27.0 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files NNNNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a

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